4-Aminomethyl-5- tert -butyl-furan-2-carboxylic acid

5-Oxo-thiomorpholine-3-carboxylic acid

3-(2-Methyl-piperidin-1-yl)-propionic acid hydrochloride

Azepan-1-yl-acetic acid

Pyrrolidin-1-yl-acetic acid

2-(1-吡咯烷基)乙酸

3-(3-Methoxy-isoxazol-5-yl)-propionic acid

3-(5-Methyl-tetrazol-1-yl)-benzoic acid

3-(4-Fluoro-phenyl)-1H-pyrazole-5-carboxylic acid

3-(4-氟苯基)-1H-吡唑-5-甲酸

(4-Methyl-furazan-3-yl)-acetic acid

2-(4-甲基-1,2,5-噁二唑-3-基)乙酸

4,4'-Dihydroxy-biphenyl-2-carboxylic acid